Tray guide mechanism for easy assembly of a disk drive

A tray guide mechanism for guiding a movement of a tray in one of an inserting direction to insert the tray into a chassis of a disk apparatus and an ejecting direction to eject the tray from the chassis, a disk placed on the tray being accessed by the disk apparatus, said tray guide mechanism comprising:

• first and second rail connecting units provided on first and second sides of the tray, said entire first and second rail connecting units being molded to the tray;
• first and second slide rails movably supported on said rail connecting units;
• and
• first and second rail guide units fixed on first and second inside walls of the chassis and movably supporting the first and second slide rails on the first and second rail guide units respectively,
• wherein the second rail connecting unit comprises a plurality of downward projections and a plurality of upward projections both being provided along the second rail connecting unit at given intervals, and the second slide rail being fitted to the downward projections and the upward projections of the second rail connecting unit, and fitted to the second rail guide unit such that inside surfaces of the second slide rail slidably touch the second rail guide unit.